package com.doit.demo02;
//字符串转基本类型
public class test_Integer {
    public static void main(String[] args) {
        int i = Integer.parseInt("12");
        System.out.println(i);

        boolean ture = Boolean.parseBoolean("true");
        System.out.println(ture);

        double v = Double.parseDouble("10.201");
        System.out.println(v);

        String s = 10+"";
        System.out.println(s);

        char c = Character.toLowerCase('M');
        System.out.println(c);

    }
}
